ChromeOS OOBE: update MD-OOBE after UI review.

chrome/browser/resources/chromeos/login/oobe_dialog_parameters.css

Index: chrome/browser/resources/chromeos/login/oobe_dialog_parameters.css
diff --git a/chrome/browser/resources/chromeos/login/oobe_dialog_parameters.css b/chrome/browser/resources/chromeos/login/oobe_dialog_parameters.css
index 01b2a770feb9cb7fc0e96b8ce776333e1913e185..85832528228282bd91a51d4117fd6a32c9698d18 100644
--- a/chrome/browser/resources/chromeos/login/oobe_dialog_parameters.css
+++ b/chrome/browser/resources/chromeos/login/oobe_dialog_parameters.css
@@ -20,15 +20,10 @@ oobe-dialog h1.title {
   margin: 36px 0 0 0; /* = 64 - font height*/
 }
 
-oobe-dialog[welcome-screen] h1.title {
-  font-size: 38px;
-  margin: 22px 0 0 0; /* = 64 - font height*/
-}
-
 oobe-dialog .subtitle {
   color: rgba(0, 0, 0, 0.87);
   font-size: 13px;
-  margin: 27px 0 0 0; /* = 40 - line-height */
+  margin: 23px 0 0 0; /* = 40 - 4 (adjustment) - line-height */
 }
 
 oobe-dialog .bottom-buttons {